/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.support.v7.graphics;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.test.InstrumentationTestCase;
/**
* @hide
*/
public class ConsistencyTest extends InstrumentationTestCase {
private static final int NUMBER_TRIALS = 10;
public void testConsistency() {
Bitmap icon = BitmapFactory.decodeResource(getInstrumentation().getContext().getResources(),
android.R.drawable.sym_def_app_icon);
testConsistencyForBitmap(icon);
}
private void testConsistencyForBitmap(Bitmap bitmap) {
Palette lastPalette = null;
for (int i = 0; i < NUMBER_TRIALS; i++) {
Palette newPalette = Palette.from(bitmap).generate();
if (lastPalette != null) {
assetPalettesEqual(lastPalette, newPalette);
}
lastPalette = newPalette;
}
}
private static void assetPalettesEqual(Palette p1, Palette p2) {
assertEquals(p1.getVibrantSwatch(), p2.getVibrantSwatch());
assertEquals(p1.getLightVibrantSwatch(), p2.getLightVibrantSwatch());
assertEquals(p1.getDarkVibrantSwatch(), p2.getDarkVibrantSwatch());
assertEquals(p1.getMutedSwatch(), p2.getMutedSwatch());
assertEquals(p1.getLightMutedSwatch(), p2.getLightMutedSwatch());
assertEquals(p1.getDarkMutedSwatch(), p2.getDarkMutedSwatch());
}
}